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Evidence row 74336

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://dt0ur.online/api/market/orderbook
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
6abaef5dda971eb99a8e9a978ac186da9980a0ab25cf0afadae6bb4dcbcfca3d
Leaf
0x33df7c949cda170635da7edcedf87440b31e18fc8bca99df94a396d241ac0898

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://dt0ur.online/api/market/orderbook"
    ]
  ],
  "name": "dt0ur.online/api/market/orderbook",
  "owner_address": "0x7f520c845d5dc5e51a27699a1f098dc13aa789b7",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x7f520c845d5Dc5e51a27699A1f098dc13Aa789b7",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 60,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "6PSaCVqWbKh5oYUEpHohs8krmLsRQDrnMzKvxAySGsQX",
        "scheme": "exact"
      }
    ],
    "description": "Live order book for a Coinbase spot pair: best bid/ask, mid price, spread in bps, USD liquidity within 1% of mid on each side, and the top bid/ask levels (up to 50). Useful for slippage and execution checks.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "depth": 2,
              "product": "ETH-USD"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "ask_depth_1pct_usd": 532652,
              "asks": [
                {
                  "price": 2751.32,
                  "size": 0.11012407
                },
                {
                  "price": 2751.56,
                  "size": 0.50420025
                }
              ],
              "best_ask": 2751.32,
              "best_bid": 2751.31,
              "bid_depth_1pct_usd": 550067,
              "bids": [
                {
                  "price": 2751.31,
                  "size": 0.74956691
                },
                {
                  "price": 2751.29,
                  "size": 0.54455653
                }
              ],
              "depth_note": "Depth sums only the levels fetched (up to 50 per side).",
              "mid": 2751.315,
              "product": "ETH-USD",
              "source": "coinbase",
              "spread": 0.01,
              "spread_bps": 0.036,
              "time": "2026-09-22T18:08:45.476474Z"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "depth": {
                      "default": 20,
                      "maximum": 50,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "product": {
                      "description": "Coinbase product id, e.g. BTC-USD, ETH-USD, SOL-USD, ETH-BTC",
                      "type": "string"
                    }
                  },
                  "required": [
                    "product"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T06:27:04.499Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T06:27:04.302Z"
    },
    "resource": "https://dt0ur.online/api/market/orderbook",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Live order book for a Coinbase spot pair: best bid/ask, mid price, spread in bps, USD liquidity within 1% of mid on each side, and the top bid/ask levels (up to 50). Useful for slippage and execution checks."
}

What the leaf hashes

{"body":"6abaef5dda971eb99a8e9a978ac186da9980a0ab25cf0afadae6bb4dcbcfca3d","id":74336,"kind":"listing","method":"baseline/1","observed_us":1793025488807053,"prev":null,"subject":"x402_bazaar:https://dt0ur.online/api/market/orderbook","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x33df624bff8d63a54cf9490ecb0dc066deb1eb5fab6e38d3657fed1ad9acbc2e
  2. 0x06d52adb4199d41f938efe2155686583369336c9d30bc57f10610ce2a08ad496
  3. 0xd7c705234caa6390d0ae9c7ba4bbec6a2aee9aece839a3b18431a10e4ef452a3
  4. 0x7adab90a6fe6f2be3efc5540723f8f604a46052e9430cb08243d6da43929ec5a
  5. 0x4ac27eae2f29362976ed5a54fda744f7f6367bae0cc41270de2391aba70d7563
  6. 0x04961b5a3b3164c55687e03621aaec969a1e9390a1e4ce0cf7cd1149ac24b73e
  7. 0x666dce61f2c976cc794f669c67dcac617076c09d39a1f3c09b30253bab6e5a67
  8. 0x0ba3b8298e36c394c6af1878cdc52cacb0867e6403435877a39bd328c8b0eaae
  9. 0xdc523b9e61ffd244a497361cd5402a75eaf83c7e318d79293ad63bd6bc9f06a6
  10. 0xcc3de2228ca9f90722824aeb1f6740dce363ec54f1223a4bfc96d012376efbc0
  11. 0x25f1494b636c5e3c47bd014c16b8f4b5df5a8fb62efdc32979420416a8736679
  12. 0xe57be1a98d96d75db9e9d2122794eabebfd735dea66e9d16ca63347243b3d483
  13. 0x08de74b7fb265ddb83e4c673da8a94e5f71829b2e6e7464c71c5138e450f2217
  14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
  15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
  16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON